19603997

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 23522304

約数和(自身を除く): 3918307

約数列:

[1, 7, 31, 61, 217, 427, 1481, 1891, 10367, 13237, 45911, 90341, 321377, 632387, 2800571, 19603997]

約数ペア:

[(1, 19603997), (7, 2800571), (31, 632387), (61, 321377), (217, 90341), (427, 45911), (1481, 13237), (1891, 10367)]